 
    "walk" {:synsem {:cat :verb
                 :sem {:pred :walk}}}
-              
-   "try" (let [modal-subject (atom {:cat :noun})]
-            {:synsem {:cat :verb
-                      :sem {:pred :try}
-                      :subcat {:1 modal-subject
-                               :2 {:cat :verb
-                                   :infl :infinitive
-                                   :subcat {:1 modal-subject
-                                            :2 '()}}
-                               :3 '()}}})
 
    "want" [{:modal-with :infinitive
             :synsem {:cat :verb

                         :participle "transferring"}
               :synsem {:cat :verb
                        :sem {:pred :transfer}}}

   "understand" (let [common {:english {:past "understood"}}]
                  [(unify

   {:synsem {:cat :verb
             :sem {:activity true
                   :discrete false
                   :pred :go-upstairs}
             :subcat {:2 '()}}
    :english {:past "went upstairs"
              :participle "going upstairs"
              :present {:3sing "goes upstairs"}}}
